Home / 954,470,885.12-1,317,157,336.32-536,783,045.12

Finding the Fourth Proportional to 954,470,885.12, 1,317,157,336.32 and 536,783,045.12

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Solution

The fourth proportional to 954,470,885.12, 1,317,157,336.32 and 536,783,045.12 is: 740,753,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,470,885.12 : 1,317,157,336.32 = 536,783,045.12 : x
  2. Step 2: Convert to fraction form
    954,470,885.12/1,317,157,336.32 = 536,783,045.12/x
  3. Step 3: Cross multiply
    954,470,885.12x = 1,317,157,336.32 × 536,783,045.12
  4. Step 4: Simplify right side
    954,470,885.12x = 707,027,725,891,997,568
  5. Step 5: Solve for x
    x = 707,027,725,891,997,568/954,470,885.12
  6. Step 6: Final answer
    x = 740,753,580.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.